Because human experiments have become a means of transforming humans, they are being pursued by an organization. This organization is an immortal vampire group "Immortal Knights" that attempts to conquer the divided "Tokyo". Gang members who vowed to avenge the dead leader also joined the hunt, and the situation escalated into a multi-party confrontation. "There was no reason to live, but there was no reason to be killed by these guys-" Using the various weapons embedded in the modified body and my own special "blood", the hell-like escape battle began!!!